<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="https://cdn.bootcss.com/vue/2.2.2/vue.min.js"></script>
</head>
<body>

<div id="app">
  <span v-bind:title="message">
        鼠标悬停此处几秒，
    可以看到此处动态绑定的 title！
  </span>
</div>

<script>

var app = new Vue({
  el: '#app', 
  data: {
    message: '页面加载于 ' + new Date().toLocaleString()
  },


})
</script>
</body>
</html>
